On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Oceans

NIWA aims to provide the knowledge needed for the sound environmental management of our marine resources.

  • Offshore wind farm in the UK

    De-risking New Zealand’s offshore wind energy

    Research Project
    A programme to accelerate efficient and accurate assessments of the impacts of proposed offshore developments on New Zealand’s unique marine fauna and habitats.
  • wave

    Catching Marine Carbon

    Research Project
    This Endeavour Fund programme will examine the potential and risks of three marine carbon dioxide removal techniques by studying their natural equivalents in New Zealand coastal and open-ocean waters.
  • Antarctic phytoplankton under compound microscope aboard RV Tangaroa during an Earth Sciences New Zealand voyage in the Ross Sea in 2021.

    Declining sea-ice is altering Antarctic food webs 

    Media release
    A new study shows a significant change in Antarctic phytoplankton over time that could cascade through the marine food web and affect the ocean’s capacity as a carbon sink. 
  • Dr Roberta D’Archino

    NZ waters teeming with undiscovered seaweed species, scientist says

    Media release
    Scientists believe they’re only seeing a snapshot of what could be living in our subantarctic islands and deep waters.  
  • Seismic reflection profiles illustrating the frontal accretionary wedge and PFSs in Nankai Trough, Japan, and Hikurangi Trough, New Zealand.

    Discovery of hidden faults sheds light on mystery of 'slow earthquakes'  

    Media release
    Scientists have uncovered a key piece of the puzzle behind the unusual ‘slow earthquakes’ occurring off the east coast of New Zealand’s North Island.  
  • Study of ancient sea creature’s DNA links New Zealand to oceans around the world

    Media release
    A world-first study of marine life, including sea creatures found in New Zealand's dark, cold, pressurised ocean depths, has revealed that deep-sea life is surprisingly more connected than previously thought.
  • Internal wave at poor knights

    The I-MIX Project

    Research Project
    How Internal wave MIXing is altered by climate change and what are the consequences for ecosystems?
  • Floating University

    Floating University

    A platform for early-career scientists from Pacific island nations to explore the key issues affecting their communities
  • Underwater canyon seafloor study reveals landslide and tsunami risk

    Media release
    The risk of undersea landslides and their potential to cause tsunamis along New Zealand’s east coast is being investigated by scientists aboard the German research vessel RV Sonne as part of a month-long international collaboration.
  • Rachel Hale looking at a core sample from a mulitcorer

    Seafloor of NZ's most important fishing grounds shows resilience

    Media release
    Sea life in the seafloor of New Zealand’s most productive and important commercial fishing ground shows resilience to disturbance, according to a new study published in the New Zealand Journal of Marine and Freshwater Research.
  • TAN2502 voyage update – 17 February 2025

    The latest update from TAN2502 Ross Sea RV Tangaroa “ACTUATE” Voyage
  • TAN2502 voyage update – 8 February 2025

    Voyage
    The latest update from TAN2502 Ross Sea RV Tangaroa “ACTUATE” Voyage